Phillips 66 (PSX) has 20 known insider and institutional holders on record. The largest holder is Phillips 66 Project Development Inc. with 169,760,137 shares. Other notable holders include BERKSHIRE HATHAWAY INC and Phillips 66 Co.
Over the last 12 months, insiders have made 75 transactions in PSX stock — 39 buys (valued at $16.03M) and 7 sells (valued at $4.94M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
PSX Insider Ownership
Top Holder
Phillips 66 Project Development Inc.
169,760,137 shares
Buys (12 mo)
39
$16.03M value
Sells (12 mo)
7
$4.94M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Phillips 66 Project Development Inc. |
10 Percent Owner |
169,760,137 |
2021-10-27 |
|
| 2 |
Berkshire Hathaway Inc |
10 Percent Owner |
45,689,892 |
2018-02-15 |
|
| 3 |
Phillips 66 Co |
10 Percent Owner |
22,525,874 |
2015-03-02 |
|
| 4 |
Garland Greg C. |
Executive Chairman |
655,332 |
2024-02-12 |
|
| 5 |
Lashier Mark E |
Chairman and CEO |
110,532 |
2026-02-12 |
|
| 6 |
Johnson Paula Ann |
Executive VP and Gen Counsel |
102,489 |
2021-10-07 |
|
| 7 |
Lowe John E |
Director |
83,475 |
2025-01-17 |
|
| 8 |
Tilton Glenn F |
Director |
74,437 |
2026-01-20 |
|
| 9 |
Herman Robert A |
Director |
68,904 |
2022-08-10 |
|
| 10 |
Mandell Brian |
Executive Vice President |
61,595 |
2026-02-12 |
|
| 11 |
Tschinkel Victoria J |
Director |
60,890 |
2021-01-20 |
|
| 12 |
Whittington Marna C |
Director |
54,799 |
2026-01-20 |
|
| 13 |
Mcgraw Harold Iii |
Director |
52,622 |
2021-01-20 |
|
| 14 |
Taylor Timothy Garth |
President |
49,374 |
2017-04-05 |
|
| 15 |
Harbison Richard G |
EVP, Refining |
39,094 |
2026-02-12 |
|
| 16 |
Mitchell Kevin J |
Exec. VP and CFO |
37,671 |
2026-04-01 |
|
| 17 |
Ziemba Lawrence Michael |
Executive VP, Refining |
36,186 |
2017-04-05 |
|
| 18 |
Roberts Timothy D. |
Executive Vice President |
35,740 |
2024-02-12 |
|
| 19 |
Baldridge Don |
Executive Vice President |
32,603 |
2026-04-03 |
|
| 20 |
Sutherland Vanessa Allen |
EVP, Gc and Secretary |
31,623 |
2026-02-12 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-01 |
Baldridge Don |
Executive Vice President |
Tax Withholding of RSU |
5,885 |
$177.21 |
$1.04M |
| 2026-03-30 |
Mitchell Kevin J |
Exec. VP and CFO |
Option Exercise (Sell) |
15,629 |
$94.97 |
$1.48M |
| 2026-03-16 |
Ungerleider Howard I |
Director |
RSU Award |
949 |
$172.84 |
$164.02K |
| 2026-03-17 |
Meyers Kevin Omar |
Director |
Informative Buy |
175 |
$173.20 |
$30.31K |
| 2026-03-16 |
Meyers Kevin Omar |
Director |
RSU Award |
949 |
$172.84 |
$164.02K |
| 2026-03-13 |
Davis Lisa Ann |
Director |
Informative Sell |
3,800 |
$174.37 |
$662.62K |
| 2026-03-12 |
Mandell Brian |
Executive Vice President |
Option Exercise (Sell) |
42,800 |
$89.57 |
$3.83M |
| 2026-03-06 |
Ungerleider Howard I |
Director |
Unknown |
- |
- |
- |
| 2026-03-06 |
Meyers Kevin Omar |
Director |
Unknown |
- |
- |
- |
| 2026-03-05 |
Mitchell Kevin J |
Exec. VP and CFO |
Option Exercise (Sell) |
16,856 |
$94.85 |
$1.6M |
| 2026-03-04 |
Mitchell Kevin J |
Exec. VP and CFO |
Option Exercise (Sell) |
4,944 |
$94.85 |
$468.94K |
| 2026-02-17 |
Baldridge Don |
Executive Vice President |
Informative Sell |
7,500 |
$160.00 |
$1.2M |
| 2026-02-10 |
Kluppel Ann M |
Vice President and Controller |
RSU Award |
1,991 |
$156.70 |
$311.99K |
| 2026-02-10 |
Harbison Richard G |
EVP, Refining |
RSU Award |
8,171 |
$156.70 |
$1.28M |
| 2026-02-10 |
Lashier Mark E |
Chairman and CEO |
RSU Award |
29,148 |
$156.70 |
$4.57M |
| 2026-02-10 |
Sutherland Vanessa Allen |
EVP, Gc and Secretary |
RSU Award |
7,478 |
$156.70 |
$1.17M |
| 2026-02-10 |
Mitchell Kevin J |
Exec. VP and CFO |
RSU Award |
11,411 |
$156.70 |
$1.79M |
| 2026-02-10 |
Mandell Brian |
Executive Vice President |
RSU Award |
7,244 |
$156.70 |
$1.14M |
| 2026-02-10 |
Baldridge Don |
Executive Vice President |
RSU Award |
7,139 |
$156.70 |
$1.12M |
| 2026-02-07 |
Kluppel Ann M |
Vice President and Controller |
Tax Withholding of RSU |
228 |
$156.93 |
$35.78K |
| 2026-02-07 |
Harbison Richard G |
EVP, Refining |
Tax Withholding of RSU |
1,378 |
$156.93 |
$216.24K |
| 2026-02-07 |
Lashier Mark E |
Chairman and CEO |
Tax Withholding of RSU |
9,686 |
$156.93 |
$1.52M |
| 2026-02-07 |
Sutherland Vanessa Allen |
EVP, Gc and Secretary |
Tax Withholding of RSU |
1,654 |
$156.93 |
$259.55K |
| 2026-02-07 |
Mitchell Kevin J |
Exec. VP and CFO |
Tax Withholding of RSU |
3,361 |
$156.93 |
$527.42K |
| 2026-02-07 |
Mandell Brian |
Executive Vice President |
Tax Withholding of RSU |
2,188 |
$156.93 |
$343.35K |
